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` To t1/l 'whom it may concern:

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fwmeseaaaw n LUoIUs D. GoULgD, 0E NEWARK, NEW JERSEY.

Leners Paten: No. 90,092, daedMa/y 1s, 1869.

IMPROVEMENT IN wmnowA-s'rnm The Schedule referred to in `these LettexsPatent and making part of the name.

Beit known that I, LUCIUs D. GoULD, of 1N ewark, in the county of Essex,and State of New Jersey, have invented an Improved Window-Sash Loek; andI do hereby declare that the following isa full and exact description`of thesame, reference being had to the aeeompanyingdrawings, and tothe"1etters of refereneen marked thereon.

My invention consists in the mode herein described of looking. the twosashes of a window, by means of a springbolt, put through themeeting-rail of the lower sash. Y

Figure 1 is a sectional view of windows when closed,

Figure 2 shows the vbolt drawn back, unlooking the i and 'thebolt/holding the sashes locked.

` window, that it may beopened.

The Iholt Ahpassing `through the meeting-rail of the lower sash B, goes,with abevelled end, into the meet ing-rail of the upper sash'G, and isheld in its'position by the spirai spring I). l

E is a plate on the face ofthe sash G,A and F- is a plate ou the sash B.The plate E overs the whole of `the recess in the shown and desebed.

rail C, into which the end of the bolt goesrso that a burglar cannotbore through the sash and push back the bolt., f

G is a. hook on the lower edge of the plate E, into `which the plate Fdrops when the Window is closed,

and serves to draw the two sashes together.

The holt is made in two pieces, as seen in fig. 2, and i`s put togetherwith a screw, H.

The object is to' lengthen or shorten the bolt for different thicknessesof sash.

This improvement provides that when the window is closed it is alwayslooked.

Therefore, l v What I claim as my invention, and desire'to secure byLetters Patent, is v The hook Gr, for holding the sash, in combinationwith its adjustable bolt and plate F, al1 Constructed,

arranged, and operating as and for the purpose herein `LUoIUs D. GoULD.

Witnesses:

Hormon Hemus,

